Search (166 results, page 1 of 9)

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Abstract

The Alexandria Digital Library (ADL) was established in the late 1990s as a response to several perceived problems of traditional map libraries, notably access and organization. By 1999 it had evolved into an operational digital library, offering a well-defined set of services to a broad user community, based on an extensive collection of georeferenced information objects. The vision of ADL continues to evolve, as technology makes new services possible, as its users become more sophisticated and demanding, and as the broader field of geographic information science (GIScience) identifies new avenues for research and application.

Object

Alexandria Digital Library Project

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Abstract

Based on a decade's experience with the Alexandria Digital Library Project, seven issues are presented that arise in creating georeferenced digital libraries, and that appear to be intrinsic to the problem of creating any library-like information system that operates on georeferenced and geospatial resources. The first and foremost issue is providing discovery of georeferenced resources. Related to discovery are the issues of gazetteer integration and specialized ranking of search results. Strong data typing and scalability are implementation issues. Providing spatial context is a critical user interface issue. Finally, sophisticated resource access mechanisms are necessary to operate on geospatial resources.

Object

Alexandria Digital Library Project

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Abstract

Flexible organization of information is one of the key design challenges in any digital library. For the past year, we have been working with members of the National Digital Library Project (NDLP) at the Library of Congress to build an experimental system to organize and store library collections. This is a report on the work. In particular, we describe how a few technical building blocks are used to organize the material in collections, such as the NDLP's, and how these methods fit into a general distributed computing framework. The technical building blocks are part of a framework that evolved as part of the Computer Science Technical Reports Project (CSTR). This framework is described in the paper, "A Framework for Distributed Digital Object Services", by Robert Kahn and Robert Wilensky (1995). The main building blocks are: "digital objects", which are used to manage digital material in a networked environment; "handles", which identify digital objects and other network resources; and "repositories", in which digital objects are stored. These concepts are amplified in "Key Concepts in the Architecture of the Digital Library", by William Y. Arms (1995). In summer 1995, after earlier experimental development, work began on the implementation of a full digital library system based on this framework. In addition to Kahn/Wilensky and Arms, several working papers further elaborate on the design concepts. A paper by Carl Lagoze and David Ely, "Implementation Issues in an Open Architectural Framework for Digital Object Services", delves into some of the repository concepts. The initial repository implementation was based on a paper by Carl Lagoze, Robert McGrath, Ed Overly and Nancy Yeager, "A Design for Inter-Operable Secure Object Stores (ISOS)". Work on the handle system, which began in 1992, is described in a series of papers that can be found on the Handle Home Page. The National Digital Library Program (NDLP) at the Library of Congress is a large scale project to convert historic collections to digital form and make them widely available over the Internet. The program is described in two articles by Caroline R. Arms, "Historical Collections for the National Digital Library". The NDLP itself draws on experience gained through the earlier American Memory Program. Based on this work, we have built a pilot system that demonstrates how digital objects can be used to organize complex materials, such as those found in the NDLP. The pilot was demonstrated to members of the library in July 1996. The pilot system includes the handle system for identifying digital objects, a pilot repository to store them, and two user interfaces: one designed for librarians to manage digital objects in the repository, the other for library patrons to access the materials stored in the repository. Materials from the NDLP's Coolidge Consumerism compilation have been deposited into the pilot repository. They include a variety of photographs and texts, converted to digital form. The pilot demonstrates the use of handles for identifying such material, the use of meta-objects for managing sets of digital objects, and the choice of metadata. We are now implementing an enhanced prototype system for completion in early 1997.

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Abstract

Purpose - One of the unresolved problems of the global information society is ensuring the long-term accessibility of digital documents. The project kopal tackles this problem head-on: in a three-year project kopal's objective is the practical testing and implementation of a cooperatively created and operated long-term archival system for digital resources. Design/methodology/approach - The system will be implemented in accordance with international standards for long-term archiving and metadata within the Open Archival Information System (OAIS) framework. The project partners, Die Deutsche Bibliothek (DDB), Göttingen State and University Library (SUB Göttingen), IBM Deutschland GmbH and the Gesellschaft für wissenschaftliche Datenverarbeitung mbH Göttingen (GWDG), will establish a cooperatively transferable solution for cultural heritage institutions, as well as for business and industry. Findings - Within the project, the project partners DDB and SUB Göttingen are developing software for the input and access of data, which will be released under an open-source license. Research limitations/implications - Long-term preservation methods and strategies will be discussed in general in the paper. Practical implications - The project will present a stable and reusable platform for additional partners and users, especially for cultural heritage organisations. Originality/value - The solution is based on Digital Information and Archiving System (DIAS), jointly devised by IBM and the National Library of The Netherlands in The Hague, and it will be adapted to the needs of the project with several extensions. Establishing a collaborative solution for long-term preservation is a milestone in the development of systems for the long-term availability of digital objects.

Source

Library hi tech. 24(2006) no.4, S.574-582

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Abstract

ADEPT is a 5-year project whose goals are to develop, deploy, and evaluate inquiry learning capabilities for the Alexandria Digital Library, an extant digital library of primary sources in geography. We interviewed nine geography faculty members who teach undergraduate courses about their information seeking for research and teaching and their use of information resources in teaching. These data were supplemented by interviews with four faculty members from another ADEPT study about the nature of knowledge in geography. Among our key findings are that geography faculty are more likely to encounter useful teaching resources while seeking research resources than vice versa, although the influence goes in both directions. Their greatest information needs are for research data, maps, and images. They desire better searching by concept or theme, in addition to searching by location and place name. They make extensive use of their own research resources in their teaching. Among the implications for functionality and architecture of geographic digital libraries for educational use are that personal digital libraries are essential, because individual faculty members have personalized approaches to selecting, collecting, and organizing teaching resources. Digital library services for research and teaching should include the ability to import content from common office software and to store content in standard formats that can be exported to other applications. Digital library services can facilitate sharing among faculty but cannot overcome barriers such as intellectual property rights, access to proprietary research data, or the desire of individuals to maintain control over their own resources. Faculty use of primary and secondary resources needs to be better understood if we are to design successful digital libraries for research and teaching.

Date

3. 6.2005 20:40:22

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Abstract

The author holds a chair in Humanities Computer Science at the University of Cologne. For a number of years, he has been responsible for digitization projects, either as project director or as the person responsible for the technology being employed on the projects. The "Duderstadt project" (http://www.archive.geschichte.mpg.de/duderstadt/dud-e.htm) is one such project. It is one of the early large-scale manuscript servers, finished at the end of 1998, with approximately 80,000 high resolution documents representing the holdings of a city archive before the year 1600. The digital library of the Max-Planck-Institut für Europäische Rechtsgeschichte in Frankfurt (http://www.mpier.uni-frankfurt.de/dlib) is another project on which the author has worked, with currently approximately 900,000 pages. The author is currently project director of the project "Codices Electronici Ecclesiae Colonensis" (CEEC), which has just started and will ultimately consist of approximately 130,000 very high resolution color pages representing the complete holdings of the manuscript library of a medieval cathedral. It is being designed in close cooperation with the user community of such material. The project site (http://www.ceec.uni-koeln.de), while not yet officially opened, currently holds about 5,000 pages and is growing by 100 - 150 pages per day. Parallel to the CEEC model project, a conceptual project, the "Codex Electronicus Colonensis" (CEC), is at work on the definition of an abstract model for the representation of medieval codices in digital form. The following paper has grown out of the design considerations for the mentioned CEC project. The paper reflects a growing concern of the author's that some of the recent advances in digital (research) libraries are being diluted because it is not clear whether the advances really reach the audience for whom the projects would be most useful. Many, if not most, digitization projects have aimed at existing collections as individual servers. A digital library, however, should be more than a digitized one. It should be built according to principles that are not necessarily the same as those employed for paper collections, and it should be evaluated according to different measures which are not yet totally clear. The paper takes the form of six theses on various aspects of the ongoing transition to digital libraries. These theses have been presented at a forum on the German "retrodigitization" program. The program aims at the systematic conversion of library resources into digital form, concentrates for a number of reasons on material primarily of interest to the Humanities, and is funded by the German research council. As such this program is directly aimed at improving the overall infrastructure of academic research; other users of libraries are of interest, but are not central to the program.

Content

Theses: 1. Who should be addressed by digital libraries? How shall we measure whether we have reached the desired audience? Thesis: The primary audience for a digital library is neither the leading specialist in the respective field, nor the freshman, but the advanced student or young researcher and the "almost specialist". The primary topic of digitization projects should not be the absolute top range of the "treasures" of a collection, but those materials that we always have wanted to promote if they were just marginally more important. Whether we effectively serve them to the appropriate community of serious users can only be measured according to criteria that have yet to be developed. 2. The appropriate size of digital libraries and their access tools Thesis: Digital collections need a critical, minimal size to make their access worthwhile. In the end, users want to access information, not metadata or gimmicks. 3. The quality of digital objects Thesis: If digital library resources are to be integrated into the daily work of the research community, they must appear on the screen of the researcher in a quality that is useful in actual work. 4. The granularity / modularity of digital repositories Thesis: While digital libraries are self-contained bodies of information, they are not the basic unit that most users want to access. Users are, as a rule, more interested in the individual objects in the library and need a straightforward way to access them. 5. Digital collections as integrated reference systems Thesis: Traditional libraries support their collections with reference material. Digital collections need to find appropriate models to replicate this functionality. 6. Library and teaching Thesis: The use of multimedia in teaching is as much of a current buzzword as the creation of digital collections. It is obvious that they should be connected. A clear-cut separation of the two approaches is nevertheless necessary.

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Abstract

The paper will explore the issues surrounding the development of an evaluation framework for a supranational digital library system, as seen through the TEL (The European Library) project. It will describe work an the project to date, and seek to establish what are the key drivers, priorities and barriers encountered, in developing such a framework. TEL is being funded by the EU as an Accompanying Measure in the IST program. Its main focus of is an consensus building, and also includes preparatory technical work to develop testbeds, which will gauge to what extent interoperability is achievable. In order for TEL to take its place as a major Information Society initiative of the EU, it needs to be closely attuned to the needs, expectations and realities of its user communities, which comprise the citizens of the project's national partners. To this end the evaluation framework described in this paper, is being developed by establishing the users' viewpoints and priorities in relation to the key project themes. A summary of the issues to be used in the baseline, and to be expanded upon in the paper, follows: - Establishing the differing contexts of the national library partners, and the differing national priorities which will impact an TEL - Exploring the differing expectations relating to building and using the hybrid library - Exploring the differing expectations relating to TEL. TEL needs to add value - what does this mean in each partner state, and for the individuals within them? 1. Introduction to TEL TEL (The European Library) is a thirty month project, funded by the European Commission as part of its Fifth Framework Programme for research. It aims to set up a co-operative framework for access to the major national, mainly digital, collections in European national libraries. TEL is funded as an Accompanying Measure, designed to support the work of the IST (Information Society Technologies) Programme an the development of access to cultural and scientific knowledge. TEL will stop short of becoming a live service during the lifetime of the project, and is focused an ensuring co-operative and concerted approaches to technical and business issues associated with large-scale content development. It will lay the policy and technical groundwork towards a pan European digital library based an distributed digital collections, and providing seamless access to the digital resources of major European national libraries. It began in February, 2001, and has eight national library partners: Finland, Germany, Italy, the Netherlands, Portugal, Slovenia, Switzerland and the United Kingdom. It is also seeking to encourage the participation of all European national libraries in due course.

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Abstract

For more than ten years, the Perseus Project has been developing a digital library in the humanities. Initial work concentrated exclusively on ancient Greek culture, using this domain as a case study for a compact, densely hypertextual library on a single, but interdisciplinary, subject. Since it has achieved its initial goals with the Greek materials, however, Perseus is using the existing library to study the new possibilities (and limitations) of the electronic medium and to serve as the foundation for work in new cultural domains: Perseus has begun coverage of Roman and now Renaissance materials, with plans for expansion into other areas of the humanities as well. Our goal is not only to help traditional scholars conduct their research more effectively but, more importantly, to help humanists use the technology to redefine the relationship between their work and the broader intellectual community.

Object

Perseus Project

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Abstract

Purpose - To describe the process and results of the business-planning workpackage of The European Library (TEL) project, in which eight national libraries collaborated on a joint approach to access to their digital libraries. Design/methodology/approach - The methodology was in three parts: first, a literature review and the mapping of the partners' existing and planned digital products and services, then a structured interview or survey to determine the partners' business requirements from TEL, then a harmonization process, and finally the results were then combined with normal business planning elements to produce a mission and final business plan. Findings - Business planning for digital libraries has hitherto not been widely reported. The methodology proved to be an effective method of achieving mutual agreement among partners with widely different aims and characteristics. Eleven harmonized service aspirations were agreed and five categories of business aims. Research limitations/implications - Focused on the business aims of national libraries, but the methodology can be relevant to other collaborative projects. Together with the few existing other reports, this can form the basis for a new field of work. Practical implications - The work described led directly to the creation of an operational service, which will be open to all European national libraries. Originality/value - As far as is known, the first reporting of a collaborative international planning process for a digital library, and maybe the first multi-partner business plan between national libraries.

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Abstract

Millions of dollars have been invested into the development of digital libraries. There are many unanswered questions regarding their evaluation, in particular, from users' perspectives. This study intends to investigate users' use, their criteria and their evaluation of the two selected digital libraries. Nineteen subjects were recruited to participate in the study. They were instructed to keep a diary for their use of the two digital libraries, rate the importance of digital library evaluation criteria, and evaluate the two digital libraries by applying their perceived important criteria. The results show patterns of users' use of digital libraries, their perceived important evaluation criteria, and the positive and negative aspects of digital libraries. Finally, the relationships between perceived importance of digital library evaluation criteria and actual evaluation of digital libraries and the relationships between use of digital libraries and evaluation of digital libraries as well as users' preference, experience and knowledge structure on digital library evaluation are further discussed.

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Abstract

Service-oriented architectures, and the wider acceptance of decentralized peer-to-peer architectures enable the transition from integrated, centrally controlled systems to federated and dynamic configurable systems. The benefits for the individual service providers and users are robustness of the system, independence of central authorities and flexibility in the usage of services. This chapter provides details of the European project BRICKS, which aims at enabling integrated access to distributed resources in the Cultural Heritage domain. The target audience is broad and heterogeneous and involves cultural heritage and educational institutions, the research community, industry, and the general public. The project idea is motivated by the fact that the amount of digital information and digitized content is continuously increasing but still much effort has to be expended to discover and access it. The reasons for such a situation are heterogeneous data formats, restricted access, proprietary access interfaces, etc. Typical usage scenarios are integrated queries among several knowledge resource, e.g. to discover all Italian artifacts from the Renaissance in European museums. Another example is to follow the life cycle of historic documents, whose physical copies are distributed all over Europe. A standard method for integrated access is to place all available content and metadata in a central place. Unfortunately, such a solution requires a quite powerful and costly infrastructure if the volume of data is large. Considerations of cost optimization are highly important for Cultural Heritage institutions, especially if they are funded from public money. Therefore, better usage of the existing resources, i.e. a decentralized/P2P approach promises to deliver a significantly less costly system,and does not mean sacrificing too much on the performance side.

Object

BRICKS digital library

Source

Semantic digital libraries. Eds.: S.R. Kruk, B. McDaniel

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Object

Alexandria Digital Library

Source

Vocabulary as a central concept in digital libraries: interdisciplinary concepts, challenges, and opportunities : proceedings of the Third International Conference an Conceptions of Library and Information Science (COLIS3), Dubrovnik, Croatia, 23-26 May 1999. Ed. by T. Arpanac et al

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Abstract

This column gives an overview of current trends in digital library research under the following headings: digital library architecture, systems, tools and technologies; digital content and collections; metadata; interoperability; standards; knowledge organisation systems; users and usability; legal, organisational, economic, and social issues in digital libraries.

Source

Library review. 52(2003) no.5, S.198-202

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Abstract

The European Commission's goal for Europeana is to make European information resources easier to use in an online environment. It will build on Europe's rich heritage, combining multicultural and multilingual environments with technological advances and new business models. The Europeana prototype is the result of a 2-year project that began in July 2007. Europeana.eu went live on 20 November 2008, launched by Viviane Reding, European Commissioner for Information Society and Media. Europeana.eu is about ideas and inspiration. It links the user to 2 million digital items: images, text, sounds and videos. Europeana is a Thematic Network funded by the European Commission under the eContentplus programme, as part of the i2010 policy. Originally known as the European digital library network - EDLnet - it is a partnership of 100 representatives of heritage and knowledge organisations and IT experts from throughout Europe. They contribute to the work packages that are solving the technical and usability issues. The project is run by a core team based in the national library of the Netherlands, the Koninklijke Bibliotheek. It builds on the project management and technical expertise developed by The European Library, which is a service of the Conference of European National Librarians. Content is added via so called aggregators, national or domain specific portals aggegrating digital content and channelling it to Europeana. Most of these portals are being developed in the framework of EU funded projects, e.g. European Film Gateway, Athena and EuropeanaLocal. Overseeing the project is the EDL Foundation, which includes key European cultural heritage associations from the four domains. The Foundation's statutes commit members to: * providing access to Europe's cultural and scientific heritage through a cross-domain portal; * co-operating in the delivery and sustainability of the joint portal; * stimulating initiatives to bring together existing digital content; * supporting digitisation of Europe's cultural and scientific heritage. Europeana.eu is a prototype. Europeana Version 1.0 is being developed and will be launched in 2010 with links to over 6 million digital objects.

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Abstract

As digital libraries become a major source of information for many people, we need to know more about how people seek and retrieve information in digital environments. Quite commonly, users with a problem-at-hand and associated question-in-mind repeatedly search a literature for answers, and seek information in stages over extended periods from a variety of digital information resources. The process of repeatedly searching over time in relation to a specific, but possibly an evolving information problem (including changes or shifts in a variety of variables), is called the successive search phenomenon. The study outlined in this paper is currently investigating this new and little explored line of inquiry for information retrieval, Web searching, and digital libraries. The purpose of the research project is to investigate the nature, manifestations, and behavior of successive searching by users in digital environments, and to derive criteria for use in the design of information retrieval interfaces and systems supporting successive searching behavior. This study includes two related projects. The first project is based in the School of Library and Information Sciences at the University of North Texas and is funded by a National Science Foundation POWRE Grant <http://www.nsf.gov/cgi-bin/show?award=9753277>. The second project is based at the Department of Information Studies at the University of Sheffield (UK) and is funded by a grant from the British Library <http://www.shef. ac.uk/~is/research/imrg/uncerty.html> Research and Innovation Center. The broad objectives of each project are to examine the nature and extent of successive search episodes in digital environments by real users over time. The specific aim of the current project is twofold: * To characterize progressive changes and shifts that occur in: user situational context; user information problem; uncertainty reduction; user cognitive styles; cognitive and affective states of the user, and consequently in their queries; and * To characterize related changes over time in the type and use of information resources and search strategies particularly related to given capabilities of IR systems, and IR search engines, and examine changes in users' relevance judgments and criteria, and characterize their differences. The study is an observational, longitudinal data collection in the U.S. and U.K. Three questionnaires are used to collect data: reference, client post search and searcher post search questionnaires. Each successive search episode with a search intermediary for textual materials on the DIALOG Information Service is audiotaped and search transaction logs are recorded. Quantitative analysis includes statistical analysis using Likert scale data from the questionnaires and log-linear analysis of sequential data. Qualitative methods include: content analysis, structuring taxonomies; and diagrams to describe shifts and transitions within and between each search episode. Outcomes of the study are the development of appropriate model(s) for IR interactions in successive search episodes and the derivation of a set of design criteria for interfaces and systems supporting successive searching.

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Abstract

Since the 1960s, librarians have projected a vision of a digital library that offers seamless access to a vast world of scholarly information of all types. Until the 1990s, however, digital technologies lacked the power and capacity to deliver on the vision. During the 1990s, technology platforms, networking technologies, electronic resources, and the evolution of standards matured sufficiently to lay the foundation for the vision to be fulfilled. As this maturation was taking place, the rapid growth of electronic resources was based on numerous proprietary systems making access across such systems impossible. The scholars portal project is an effort to create a search and retrieval tool that will provide an interim solution to this problem until such time as those systems are built on a unified set of standards and data formats.

Source

Library trends. 52(2004) no.2, S.247-255

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Abstract

For those building digital library services, the organisational barriers are sometimes far more intractable than technological issues. This was firmly flagged in one of the first workshops focusing specifically on the digital library research agenda: Digital libraries are not simply technological constructs; they exist within a rich legal, social, and economic context, and will succeed only to the extent that they meet these broader needs. The innovatory drive within the development of digital library services thrives on the tension between meeting both technical and social imperatives. The Renardus project partners have previously taken parts in projects establishing the technical basis for subject gateways (e.g., ROADS, DESIRE], EELS) and are aware that technical barriers to interoperability are outweighed by challenges relating to the organisational and business models used. Within the Renardus project there has been a determination to address these organisational and business issues from the beginning. Renardus intends initially to create a pilot service, targeting the European scholar with a single point of access to quality selected Web resources. Looking ahead beyond current project funding, it aims to create the organisational and technological infrastructure for a sustainable service. This means the project is concerned with the range of processes required to establish a viable service, and is explicitly addressing business issues as well as providing a technical infrastructure. The overall aim of Renardus is to establish a collaborative framework for European subject gateways that will benefit both users in terms of enhanced services, and the gateways themselves in terms of shared solutions. In order to achieve this aim, Renardus will provide firstly a pilot service for the European academic and research communities brokering access to those European-based information gateways that currently participate in the project; in other words, brokering to gateways that are already in existence. Secondly the project will explore ways to establish the organisational basis for co-operative efforts such as metadata sharing, joint technical solutions and agreement on standardisation. It is intended that this exploration will feed back valuable experience to the individual participating gateways to suggest ways their services can be enhanced.
Funding from the UK Electronic Libraries (eLib) programme and the European Community's Fourth Framework programme assisted the initial emergence of information gateways (e.g., SOSIG, EEVL, OMNI in the UK, and EELS in Sweden). Other gateways have been developed by initiatives co-ordinated by national libraries (such as DutchESS in the Netherlands, and AVEL and EdNA in Australia) and by universities and research funding bodies (e.g., GEM in the US, the Finnish Virtual Library, and the German SSG-FI services). An account of the emergence of subject gateways since the mid-1990s by Dempsey gives an historical perspective -- informed by UK experience in particular -- and also considers the future development of subject gateways in relation to other services. When considering the development and future of gateways, it would be helpful to have a clear definition of the service offered by a so-called 'subject gateway'. Precise definitions of 'information gateways', 'subject gateways' and 'quality controlled subject gateways' have been debated elsewhere. Koch has reviewed definitions and suggested typologies that are useful, not least in showing the differences that exist between broadly similar services. Working definitions that we will use in this article are that a subject gateway provides a search service to high quality Web resources selected from a particular subject area, whereas information gateways have a wider criteria for selection of resources, e.g., a national approach. Inevitably in a rapidly changing international environment different people perceive different emphases in attempts to label services, the significant issue is that users, developers and designers can recognise and benefit from commonalties in approach.
The Renardus project has brought together gateways that are 'large-scale national initiatives'. Within the European context this immediately introduces a diversity of organisations, as responsibility for national gateway initiatives is located differently, for example, in national libraries, national agencies with responsibility for educational technology infrastructure, and within universities or consortia of universities. Within the project, gateways are in some cases represented directly by their own personnel, in some cases by other departments or research centres, but not always by the people responsible for providing the gateway service. For example, the UK Resource Discovery Network (RDN) is represented in the project by UKOLN (formerly part of the Resource Discovery Network Centre) and the Institute of Learning and Research Technology (ILRT), University of Bristol -- an RDN 'hub' service provider -- who are primarily responsible for dissemination. Since the start of the project there have been changes within the organisational structures providing gateways and within the service ambitions of gateways themselves. Such lack of stability is inherent within the Internet service environment, and this presents challenges to Renardus activity that has to be planned for a three-year period. For example, within the gateway's funding environment there is now an exploration of 'subject portals' offering more extended services than gateways. There is also potential commercial interest for including gateways as a value-added component to existing commercial services, and new offerings from possible competitors such as Google's Web Directory and country based services. This short update on the Renardus project intends to inform the reader of progress within the project and to give some wider context to its main themes by locating the project within the broader arena of digital library activity. There are twelve partners in the project from Denmark, Finland, France, Germany, the Netherlands and Sweden, as well as the UK. In particular we will focus on the specific activity in which UKOLN is involved: the architectural design, the specification of functional requirements, reaching consensus on a collaborative business model, etc. We will also consider issues of metadata management where all partners have interests. We will highlight implementation issues that connect to areas of debate elsewhere. In particular we see connections with activity related to establishing architectural models for digital library services, connections to the services that may emerge from metadata sharing using the Open Archives Initiative metadata sharing protocol, and links with work elsewhere on navigation of digital information spaces by means of controlled vocabularies.

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Abstract

The following describes a number of technologies and exemplary service designs that foster better Internet finding tools in libraries and more cooperative and efficient effort in Internet resource collection building. Our library and partner institutions have been involved in this work for over a decade. The open source software and projects discussed represent appropriate technologies and sustainable strategies that will help Internet portals, digital libraries, virtual libraries and library catalogs-with-portal-like-capabilities (IPDVLCs) to scale better and to anticipate and meet the needs of scholarly and educational users.

Source

Library hi tech. 22(2004) no.3, S.295-306

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Abstract

Purpose - This editorial seeks to examine the definition of a "digital library" to see whether one can be constructed that usefully distinguishes a digital library from other types of electronic resources. Design/methodology/approach - The primary methodology compares definitions from multiple settings, including formal institutional settings, working definitions from articles, and a synthesis created in a seminar at Humboldt University in Berlin. Findings - At this point, digital libraries are evolving too fast for any lasting definition. Definitions that users readily understand are too broad and imprecise, and definitions with more technical precision quickly grow too obscure for common use. Originality/value - A functional definition of a digital library would add clarity to a burgeoning field, especially when trying to evaluate a resource. The student perspective provides a fresh look at the problem.

Source

Library hi tech. 25(2007) no.2, S.169-173

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Abstract

Purpose - The paper aims to argue that digital library retrieval should be based on semantic representations and propose a semantic infrastructure for digital libraries. Design/methodology/approach - The approach taken is formal model based on subject representation for digital libraries. Findings - Search engines and search techniques have fallen short of user expectations as they do not give context based retrieval. Deploying semantic web technologies would lead to efficient and more precise representation of digital library content and hence better retrieval. Though digital libraries often have metadata of information resources which can be accessed through OAI-PMH, much remains to be accomplished in making digital libraries semantic web compliant. This paper presents a semantic infrastructure for digital libraries, that will go a long way in providing them and web based information services with products highly customised to users needs. Research limitations/implications - Here only a model for semantic infrastructure is proposed. This model is proposed after studying current user-centric, top-down models adopted in digital library service architectures. Originality/value - This paper gives a generic model for building semantic infrastructure for digital libraries. Faceted ontologies for digital libraries is just one approach. But the same may be adopted by groups working with different approaches in building ontologies to realise efficient retrieval in digital libraries.

Footnote

Beitrag eines Themenheftes "Digital libraries and the semantic web: context, applications and research".

Source

Library review. 57(2008) no.3, S.225 - 234